Enhance Arbitration was founded in July 2025 by arbitration experts Rogier Schellaars and Bas Van Zelst, who joined from Van Doorne. The firm specialises in arbitration cases, enforcement, annulment and setting aside proceedings and security orders. Schellaars excels in both commercial and investment arbitration, particularly within the energy sector, acting as counsel and arbitrator to public- and private-sector clients. Schellaars is also well-versed in post-M&A, joint venture and finance-related disputes. Van Zelst is a further arbitration specialist who utilises his keen commercial expertise to act in both Dutch and foreign-seated proceedings. They are supported by a strong team of associates including Diederik van Besouw and Bas Keizers.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Very dynamic and responsive team.’
- ‘Rogier Schellaars is an excellent litigator, good strategist, has the details and facts of the case at his fingertips, listens well to input and has good commercial instincts. Bas Van Zelst has an excellent legal brain, is the scholar in the team and an easy communicator.’
- ‘We worked with Bas Van Zelst and Rogier Schellaars, both of whom were excellent. They stood out for their depth of understanding and ability to translate complex legal and procedural issues into clear, commercial focused advice.’
- ‘Rogier Schellaars and his team have supported us well for many years and they have always shown a good understanding of our business. The team is practical, creative, and engaged. They work closely with us, understand our culture, and communicate clearly.’
- ‘Bas Keizers and Rogier Schellaars are well prepared, creative, and persistent. They focus on finding solutions and getting things done, which makes working with them straightforward and effective.’
- ‘The firm is very good at separating the main issues from the side issues and is sharp in its analyses. They ask focused and insightful questions and translate this into a useful solution. They are knowledgeable and quickly familiarise themselves with the subject matter.’
Key clients
- Panamericana Televisión S.A.
- African Asset Finance Company
- Czech Republic
- San Miguel Holding Corporation
- Bank Melli and Bank Saderat
- Vattenfall AB
- Signify
- LyondellBasell
- Prorail
- HyCC B.V.
- Vipshop
- Coolbrook
Work highlights
Represented AAFCH in a €500m investment arbitration against Ethiopia.
Represented the Czech Republic in setting aside proceedings.
Represented San Miguel Holdings in a SIAC arbitration and related Dutch court proceedings.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Bas Van Zelst
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Bas Keizers
Practice head
Rogier Schellaars; Bas van Zelst
Other key lawyers
Bas Keizers; Diederik van Besouw; Victor Houtman; Daphne de Groot